Trivial docs and config changes per review

Author: Lustmored

composer.json

@@ -20,7 +20,7 @@
         }
     },
     "require": {
-        "php": "^7.2 || ^8.0",
+        "php": ">=7.2",
         "league/flysystem": "^2.0",
         "symfony/config": "^4.2|^5.0",
         "symfony/http-kernel": "^4.2|^5.0",

docs/4-caching-metadata-in-symfony-cache.md

@@ -10,13 +10,9 @@ involves an additional overhead on top of the classical slowness of I/O.
 When your application needs to scale, you may need to cache metadata in order to
 improve performances on this level. To do this, you can use the `cache` adapter.
 
-> *Note:* this adapter caches just the metadata of existing files. This keeps the cache 
+> *Note:* this adapter only caches the metadata of existing files, not their content. This keeps the cache 
 > small enough to be beneficial and covers all the file system inspection operations.
 
-> *Note:* Earlier versions used different cache driver that was memory heave on systems
-> with large number of files. This version suggests lighter version that caches just
-> files metadata.
-
 ### Installation
 
 ```
@@ -26,7 +22,7 @@ composer require lustmored/flysystem-v2-simple-cache-adapter
 ### Usage
 
 The cache adapter works using a source storage (from which it will read the uncached data)
-and any [PSR-6 cache item pool interface](https://www.php-fig.org/psr/psr-6/). 
+and a [Symfony cache pool](https://symfony.com/doc/current/reference/configuration/framework.html#pools). 
 
 Most of the time you are only going to need one of two possibilities:
 

tests/Adapter/Builder/LocalAdapterDefinitionBuilderTest.php

@@ -85,11 +85,11 @@ public function testOptionsBehavior()
     {
         $permissions = [
             'file' => [
-                'public' => 0666,
-                'private' => 0644,
+                'public' => 0755,
+                'private' => 0755,
             ],
             'dir' => [
-                'public' => 0777,
+                'public' => 0755,
                 'private' => 0755,
             ],
         ];